@inproceedings{alicante-corazza-2011-barrier,
    title = "Barrier Features for Classification of Semantic Relations",
    author = "Alicante, Anita  and
      Corazza, Anna",
    editor = "Mitkov, Ruslan  and
      Angelova, Galia",
    booktitle = "Proceedings of the International Conference Recent Advances in Natural Language Processing 2011",
    month = sep,
    year = "2011",
    address = "Hissar, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/R11-1070/",
    pages = "509--514"
}